M1 Carbine IBM/Std. Prod. Complete Trigger Housing Group - All USGI Parts

Description

Complete BE-B Type 4 Trigger Housing Group with all USGI Parts. This housing was used by IBM as well as Standard Products in their late production.
BE-B marked Type 4 Trigger Housing with IBM coded 'AMB' Hammer in the white, NOS SG marked Trigger, Unmarked Type 3 Sear-Part, Type 3 Mag Catch marked M/HI. Housing has a very nicely struck maker mark as seen in the pictures. I installed all NOS  new old stock mag catch spring and plunger assy, safety spring and plunger assy,  hammer strut and spring, sear spring, trigger spring and trigger pin, and hammer pin from USGI arsenal multipacks. It is drop-in ready.
Sold in the USA only. No foreign bids.